it’s very convenient to use. Whenever you meet new words or expressions, you can know the meaning quickly.You don’t need to waste much time turning the page seeking for the new words . What's more, electronic dictionaries are becoming more and more advanced: they can pronounce the words clearly, provide sample sentences to illustrate word usage and store difficult words for special memorization.Thats special function may help you remember some new words with high efficiency .Last but not least, the designing of electronic dictionaries are more and more portable, and they are easy for students carrying.